1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef MESH_PAINTER_H
#define MESH_PAINTER_H
#include "ApexUsingNamespace.h"
#include "PxVec3.h"
#include "PxBounds3.h"
#if PX_WINDOWS_FAMILY
#include <vector>
namespace nvidia
{
namespace apex
{
class RenderDebugInterface;
class ClothingPhysicalMesh;
}
}
namespace SharedTools
{
struct DistTriPair;
struct PaintFloatBuffer;
struct PaintFlagBuffer;
class MeshPainter
{
public:
MeshPainter();
~MeshPainter();
void clear();
void initFrom(const nvidia::apex::ClothingPhysicalMesh* mesh);
void initFrom(const physx::PxVec3* vertices, int numVertices, int vertexStride, const uint32_t* indices, int numIndices, int indexStride);
void clearIndexBufferRange();
void addIndexBufferRange(uint32_t start, uint32_t end);
//void allocateFloatBuffer(uint32_t id);
void setFloatBuffer(unsigned int id, float* buffer, int stride);
void setFlagBuffer(unsigned int id, unsigned int* buffer, int stride);
void* getFloatBuffer(uint32_t id);
const std::vector<physx::PxVec3> getVertices() const
{
return mVertices;
}
const std::vector<uint32_t> getIndices() const
{
return mIndices;
}
void changeRadius(float paintRadius);
void setRayAndRadius(const physx::PxVec3& rayOrig, const physx::PxVec3& rayDir, float paintRadius, int brushMode, float falloffExponent, float scaledTargetValue, float targetColor);
bool raycastHit()
{
return !mLastRaycastNormal.isZero();
}
void paintFloat(unsigned int id, float min, float max, float target) const;
void paintFlag(unsigned int id, unsigned int flag, bool useAND) const;
void smoothFloat(uint32_t id, float smoothingFactor, uint32_t numIterations) const;
void smoothFloatFast(uint32_t id, uint32_t numIterations) const;
void drawBrush(nvidia::apex::RenderDebugInterface* batcher) const;
private:
PaintFloatBuffer& MeshPainter::getInternalFloatBuffer(unsigned int id);
PaintFlagBuffer& MeshPainter::getInternalFlagBuffer(unsigned int id);
void complete();
void computeNormals();
void createNeighborInfo();
bool rayCast(int& triNr, float& t) const;
bool rayTriangleIntersection(const physx::PxVec3& orig, const physx::PxVec3& dir, const physx::PxVec3& a,
const physx::PxVec3& b, const physx::PxVec3& c, float& t, float& u, float& v) const;
void computeSiblingInfo(float distanceThreshold);
physx::PxVec3 getTriangleCenter(int triNr) const;
physx::PxVec3 getTriangleNormal(int triNr) const;
void collectTriangles() const;
bool isValidRange(int vertexNumber) const;
std::vector<physx::PxVec3> mVertices;
std::vector<bool> mVerticesDisabled;
std::vector<uint32_t> mIndices;
struct IndexBufferRange
{
bool isOverlapping(const IndexBufferRange& other) const;
uint32_t start;
uint32_t end;
};
std::vector<IndexBufferRange> mIndexRanges;
std::vector<int> mNeighbors;
mutable std::vector<int> mTriMarks;
mutable std::vector<DistTriPair> mCollectedTriangles;
mutable std::vector<uint32_t> mCollectedVertices;
mutable std::vector<float> mCollectedVerticesFloats;
mutable std::vector<uint32_t> mSmoothingCollectedIndices;
std::vector<physx::PxVec3> mNormals;
std::vector<physx::PxVec3> mTetraNormals;
std::vector<PaintFloatBuffer> mFloatBuffers;
std::vector<PaintFlagBuffer> mFlagBuffers;
mutable int mCurrentMark;
physx::PxVec3 mRayOrig, mRayDir;
float mPaintRadius;
mutable float mTargetValue;
float mScaledTargetValue;
int mBrushMode;
float mFalloffExponent;
float mBrushColor;
mutable int32_t mLastTriangle;
mutable physx::PxVec3 mLastRaycastPos;
mutable physx::PxVec3 mLastRaycastNormal;
std::vector<int32_t> mFirstSibling;
std::vector<int32_t> mSiblings;
};
struct DistTriPair
{
void set(int triNr, float dist)
{
this->triNr = triNr;
this->dist = dist;
}
bool operator < (const DistTriPair& f) const
{
return dist < f.dist;
}
int triNr;
float dist;
};
struct PaintFloatBuffer
{
float& operator[](int i) const
{
return *(float*)((char*)buffer + i * stride);
}
float& operator[](unsigned i) const
{
return *(float*)((char*)buffer + i * stride);
}
unsigned int id;
void* buffer;
int stride;
bool allocated;
};
struct PaintFlagBuffer
{
unsigned int& operator[](int i) const
{
return *(unsigned int*)((char*)buffer + i * stride);
}
unsigned int& operator[](unsigned i) const
{
return *(unsigned int*)((char*)buffer + i * stride);
}
unsigned int id;
void* buffer;
int stride;
};
} // namespace SharedTools
#endif // PX_WINDOWS_FAMILY
#endif
|